Timeline for How is a cathode ray tube different from beta minus radiation?
Current License: CC BY-SA 3.0
2 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jul 28, 2012 at 21:29 | comment | added | Colin K | Litvinenko was murdered with polonium, not plutonium. | |
| Jul 28, 2012 at 17:47 | history | answered | John Rennie | CC BY-SA 3.0 |